package main

//一些函数的使用
import (
	"fmt"
)

func Index(vs []string, s string) int {
	for i, v := range vs {
		if v == s {
			return i
		}
	}
	return -1
}
func Include(vs []string, s string) bool {
	if Index(vs, s) >= 0 {
		return true
	}
	return false
}
func main() {

}
